1/2 c. butter
1/3 c. unsweetened cocoa powder
1/4 c. packed brown sugar
1/4 c. milk
3 1/2 c. confectioners' sugar
1 tsp. vanilla extract
30 individually wrapped caramels, unwrapped
1 tbsp. water
2 c. salted peanuts
1/2 c. semi-sweet chocolate chips

Grease an 8x8 in. square baking pan. In a microwave-safe bowl, combine butter, cocoa powder, brown sugar and milk. Microwave until mixture boils. Stir in confectioners' sugar and vanilla extract. Pour into prepared pan. In a microwave-safe bowl, microwave caramels and water until caramels melt. Stir in peanuts. Spread mixture over chocolate layer. In a small microwave-safe bowl, combine semi-sweet and milk chocolate chips; microwave until melted. Spread over caramel layer. Chill for 2 hours, or until firm.